Source: eBay
If you need a professional opinion on your item’s authenticity or condition, eBay has links to companies that provide these specialized services.
Opinions. Get a quick, preliminary opinion online regarding an item’s authenticity before you buy or sell it. This service is currently available only for sports autographs and memorabilia.
Authentication. Find out whether an item is genuine based on an independent authenticator’s physical inspection.
Grading. Determine the physical condition of an item.
Click here for a list of companies offering these services.
Simply click on the company you’re interested in for more information about their offerings, pricing, and credentials.